148 results about "Desertification" patented technology

The invention discloses a grassland desertification intelligent closed-loop management method and system based on multi-source remote sensing, and belongs to the technical field of ecological restoration and intelligent decision making. According to the method, technical breakthrough is realized by constructing an intelligent closed loop of perception, cognition, decision and optimization: firstly, multi-source data are fused to construct a dynamic ecological knowledge graph, and a desertification cause diagnosis report for quantifying the contribution rate of each driving factor is generated based on graph reasoning; calling a governance measure knowledge base to generate a scheme according to a diagnosis result, and optimizing a decision through digital twinborn rehearsal; finally, based on treatment effect feedback, the knowledge base is dynamically optimized through reinforcement learning; the corresponding system comprises a multi-source perception fusion module, an ecological cognitive diagnosis module, a decision rehearsal execution module and a self-learning optimization module. According to the method, the bottleneck of lack of causal diagnosis and system stiffness of a traditional method is overcome, the crossing from passive monitoring to active cognition and from static decision to dynamic self-learning is realized, and an innovative solution is provided for treatment of a degraded ecological system.

The invention provides a method for preventing and controlling nitrogen and phosphorus loss of sandy and dry cultivated land based on EICP root reinforcement and relates to the field of soil ecological protection and agricultural pollution prevention and control. According to the method, a three-dimensional prevention and control system is formed from the two dimensions of surface layer film covering protection and deep root system soil fixation through the synergistic effect of EICP film covering and local plant root system three-dimensional reinforcement, wind erosion and water erosion are effectively resisted, the soil nitrogen and phosphorus loss rate of the large-gradient sandy and dry cultivated land is remarkably reduced, and meanwhile the soil desertification process is slowed down; the EICP film covering layer has good water permeability and moisture retention, nitrogen and phosphorus loss can be prevented, rainfall infiltration and soil moisture conservation can be guaranteed, and the germination rate and the growth speed of crops are increased; according to the method, local crop root system reinforcement is selected, the original planting structure is not disturbed, the economic benefit of cultivated land yield per mu is guaranteed, a harmless means of combining microorganisms, geotechnical engineering and agricultural planting is adopted, external pollution sources are not introduced, original basic characteristics of soil are not damaged, and the requirement for ecological protection of the Yellow River basin is met.

The invention discloses a grassland desertification multispectral remote sensing monitoring system and method, and relates to the technical field of remote sensing images, the system comprises the following components: a time sequence image preprocessing registration module, a pixel level phenological trajectory construction module, a healthy grassland phenological baseline modeling module, a trajectory collaborative comparison module and a desertification dynamic quantification module; the corresponding monitoring method sequentially comprises the five steps of time sequence image preprocessing and registration, pixel-level phenological trajectory construction, healthy grassland phenological baseline modeling, trajectory collaborative comparison and desertification dynamic quantification. According to the method, the monitoring refinement degree is improved, multi-spectral time sequence remote sensing images are collected to construct a pixel-by-pixel phenological track, a layered structured phenological baseline model is combined, the native growth rules of different pixels are truly restored, pixel scale monitoring is deepened, and data support is provided for desertification feature analysis; desertification comprehensive judgment and dynamic quantification are achieved, desertification grades are divided, technical support is provided for desertification prevention and control work, and the decision-making efficiency and the implementation effect are improved.

The invention relates to the technical field of soil improvement and ecological restoration, and discloses a liquorice planting method based on synergistic utilization of coal-based solid waste and desertified land, which comprises the following steps: crushing alkaline coal-based solid waste and acidic coal-based solid waste, mixing according to a mass ratio of 2: 8-4: 6, adding a modified humic acid-based heavy metal passivator and water, and uniformly mixing to obtain a mixture; uniformly mixing and aging to obtain a coal-based solid waste mixture; spreading the mixture on the surface layer of the desertification land, performing rotary tillage and deep tillage to mix the mixture with the sandy soil, and adjusting the pH value to be stable at 7.5-8.5; the treated liquorice seeds are sown, main roots are harvested in autumn of the third year, deep root systems and lateral root bud points are reserved, and overground straw is smashed and returned to the field; soil nutrition indexes are monitored regularly, other commercial crops are planted when the soil nutrition indexes reach a set threshold value, and if not, regeneration planting of the liquorice is maintained. Through synergistic compounding of acid-base solid waste and chelating of the passivating agent, substrate pH self-regulation and heavy metal resistance control are achieved, and the physicochemical property of sandy soil is improved.

The application discloses a fly ash-based sand-fixing system, a sand-fixing method and application. The sand-fixing system comprises fly ash-based sand-fixing particles, a fly ash-based sand-fixing plate device and a fly ash-based sand-fixing agent; the fly ash-based sand-fixing particles are laid on a sand surface layer and used for slowing down wind speed and intercepting floating sand; the fly ash-based sand-fixing plate device comprises a plate body and a fixing member, the plate body is perpendicular to a main wind direction, and the fixing member is used for achieving detachable splicing of adjacent plate bodies, so as to form a three-dimensional grid protection structure and block wind sand migration; and the fly ash-based sand-fixing agent is applied to the sand surface layer to form a consolidated layer and consolidate the surface sand body. The fly ash-based sand-fixing particles, the fly ash-based sand-fixing plate device and the fly ash-based sand-fixing agent are cooperated to form an initial stable layer, a physical barrier and a consolidated layer, and the sand-fixing system has the advantages of high strength, environmental protection, long-term effect and economy and is suitable for rapid treatment of desertification land.

The application discloses a kind of based on remote sensing cloud computing's regional desertification automatic monitoring method, comprising: obtaining target area time series multispectral remote sensing image, extracting vegetation index and surface albedo;Based on composite ground object identification rule, eliminate non-target ground object pixel, construct basic sampling pixel set;Based on spatial homogeneity verification mechanism, sample extraction effective fitting sample set;The sample set is segmented and is statistically processed and is regressed, extracts two-dimensional characteristic space's dry side equation and wet side equation;Calculate the spatial geometric relative distance of each reserved pixel to dry and wet double sides, combined with the out-of-bound physical constraint truncation mechanism processing obtains relative desertification difference index;Based on the index, divide desertification grade.The present application overcomes the defect that extreme value fitting is fragile and threshold generalization fails, and realizes high-precision automatic monitoring.

The utility model discloses a water and soil conservation vegetation cover support technical field's water and soil conservation vegetation cover support, including vegetation cover framework, vegetation cover framework is by multiple green planting unit, and green planting unit includes hexagonal base, and the middle part of hexagonal base is provided with soil filling cylinder, and both sides of hexagonal base all are installed with positioning clamping plate, and the both sides of hexagonal base away from positioning clamping plate are set up with positioning clamping groove respectively, and the structure design of the scheme can be assembled and form adjustment according to the relief and irregular characteristics of desertification land flexibly through the clamping cooperation between positioning clamping groove and positioning clamping plate, realizes the quick construction of whole vegetation cover framework, and this kind of flexible splicing mode not only has improved the adaptability of vegetation cover support to complex landform, has guaranteed sand -fixing green plant to be able to grow stably under various topographic conditions, but also has strengthened the effect of wind -proof sand -fixing, has solved the limitation that traditional integration net -like support is difficult to match irregular topography.

The invention discloses a desertified soil restoration method based on microorganism mineralization induction and moss-algae crust, which comprises the following steps: crushing soybeans, and dissolving the crushed soybeans in water to obtain a soybean urease crude extract; adding desert green algae and drought-enduring moss into the cementing liquid prepared from the travertine for later use; the algae crust cementing liquid is obtained; the method comprises the following steps: preparing a soybean urease crude extracting solution, uniformly mixing the soybean urease crude extracting solution with desertification soil needing to be recovered, adding a moss-algae crust cementing solution into the surface layer of the mixed desertification soil, and curing for a period of time to realize the solidification of the desertification soil and the moss-algae crust on the surface layer. On the basis of microorganism mineralization induced sand stabilization, the bryophyllum crust is further applied to the soil surface to enhance the compressive strength of the soil surface, so that the strength of the desertification soil can be effectively recovered, and meanwhile, the bryophyllum crust also enables the desertification soil to be covered by moss and algae again, and the nutrients and environment of the soil are recovered.

The invention relates to a preparation method and application of low-cost water and fertilizer slow-release functional hydrogel, and belongs to the technical field of new environment-friendly materials.The preparation method comprises the steps that polyacrylonitrile-containing acrylic old clothes and animal bones are smashed, then subjected to compression molding, pre-oxidized in an air atmosphere and finally subjected to a hydrothermal reaction, and the low-cost hydrogel is obtained. The prepared low-cost hydrogel is high in water content, durable in water retention, rich in nitrogen, phosphorus, potassium and other elements necessary for plant growth, long in water and fertilizer slow release time and used for desert control and greening. According to the method, waste such as old clothes and waste bones which are difficult to degrade in the natural environment is prepared into the hydrogel material suitable for plant growth, and the hydrogel material is used for desert greening and desertification control, has economic significance and environmental significance and is relatively feasible.

The invention relates to the technical field of natural resource protection and ecological system management, and discloses a method and a system for constructing a three-dimensional dynamic model of forest grass wet and waste areas based on digital twinning, and the method comprises the steps: obtaining multispectral image data and environment readings of forest, grassland, wetland and desert areas; performing feature data primary processing to obtain vegetation coverage information and environment variable data; performing species distribution boundary labeling to obtain a species distribution boundary; performing pattern correlation analysis to obtain a preliminary relation matrix; if the association strength of the water level parameter and the desertification parameter in the preliminary relation matrix is higher than a preset strength threshold value, calculating a correction coefficient of the water level parameter and the desertification parameter; carrying out weight balance to obtain a balance relation matrix; time sequence deviation detection and stability verification are carried out, and an ecological change simulation framework is determined. According to the method, comprehensive analysis of complex ecological systems such as forests, grasslands, wetlands and deserts can be realized, and dynamic monitoring and protection are carried out.

The utility model relates to the technical field of forestry seedling cultivation equipment, and discloses a forestry seedling cultivation fixing device for desertification governance, which comprises a support mechanism and an irrigation mechanism mounted on one side of the support mechanism, one end of the irrigation mechanism is provided with a fixing mechanism, the irrigation mechanism comprises a hollow rod, and the hollow rod is fixedly connected with the support mechanism. An atomizing nozzle is mounted at one end of the hollow rod; the fixing mechanism comprises a fixing ring fixedly installed on the periphery of the hollow rod. A clamping mechanism is installed at one end of the fixing mechanism and comprises air bags fixedly installed in clamping blocks, a seedling is supported by the four vertically-arranged air bags, the supporting effect can be effectively achieved, the growth diameter of the root of the seedling is increased, the side walls of the air bags are compressed, and therefore the space for growth of the seedling is vacated; friction in the growth process of the seedlings is reduced, the atomizing nozzles are arranged between the two air bags, the seedlings can be irrigated, and desertification control is facilitated.

The invention discloses an intelligent irrigation and self-degradation rod device for desert sand prevention, control and stabilization, and belongs to the technical field of desertification control and ecological restoration engineering. The device is of an integrally formed structure and comprises an overground spiral rod and an underground water storage fermentation tank, the total length is 55 cm, and the diameter is 3 cm. The outer surface of the overground spiral rod is provided with three vortex type spiral sand blocking water flowing grooves used for blocking sand wind and collecting rainwater, and the collected rainwater is guided into the underground water storage fermentation tank through a water guide pipe. The device body is made of degradable composite materials and comprises 40% of agricultural and pastoral straw sawdust, 30% of coal gangue, 20% of organic clay and 10% of biological adhesive. An automatic drainage system based on the siphon principle is arranged in the water storage fermentation tank, and the functions of water collection, water storage and irrigation can be achieved without external power. The device can be completely degraded in a desert environment within 2-3 years, and soil nutrients are released. The device is standardized in structure, suitable for mechanical arrangement and used for desert soil improvement and ecological restoration.

The invention discloses an ecological carbon sink monitoring data processing method and system based on a photovoltaic desertification control mode, and relates to the technical field of image data processing. Collecting cleaning operation and maintenance records, and sorting the cleaning operation and maintenance records according to time to generate a cleaning event table; obtaining array layout data and a digital elevation map, and deducing coverage classification according to the digital elevation map to generate a cleaning influence area map; constructing a cleaning disturbance indication sequence based on the cleaning event table, the cleaning influence area graph and the earth surface feature original sequence; generating a purification weight map based on the cleaning influence area map and the cleaning disturbance indication sequence, and deducting cleaning disturbance components according to the purification weight map to obtain a surface feature purification sequence; obtaining a carbon sink increment evaluation result based on the surface feature purification sequence, the array layout data and the purification weight map; according to the method, accurate identification and quantitative deduction of cleaning disturbance of the photovoltaic power station can be realized, and real ecological changes and operation and maintenance artifacts are clearly distinguished.

The utility model relates to the technical field of desertification control equipment, and discloses a folding straw square automatic planting device which comprises a material box assembly, a folding guide planting assembly, a ditching assembly, a soil covering assembly, a movement assembly and a machine body. The material box assembly adopts a quick-release design and supports quick replacement; the folding guide planting assembly realizes accurate folding and accurate furrow entering of wheat straws through a V-shaped mold and a brush conveying belt; the ditching assembly is provided with a height-adjustable moldboard plow; the soil covering assembly compacts soil through a press wheel; and the movement assembly realizes full-process automation through a PLC (Programmable Logic Controller). The problems that traditional manual laying is low in efficiency and the grass grid structure is loose are solved, the wind prevention and sand fixation effects are remarkably improved, and the device is suitable for desertification control.

The utility model belongs to the technical field of desertification control, and discloses a grass grid laying device for desertification control, which comprises a moving frame, a hay roll placing box is fixedly mounted between one sides of the moving frame, a grass roll discharging groove is formed in the bottom of the hay roll placing box, a mounting frame is fixedly mounted at the bottom of the hay roll placing box, and a grass roll discharging groove is formed in the mounting frame. A first lead screw is installed on the inner side of the installation frame in a threaded mode, a rotary knob is fixedly installed on one side of the first lead screw, a plurality of limiting rods are installed on the inner side of the installation frame in a sliding mode, a hay roll is placed on the inner side of a hay roll containing box and penetrates through the upper portion of a hay roll discharging groove, and a flattening plate is installed on the inner side of the installation frame. The control knob drives the first lead screw to rotate, the first lead screw can drive the clamping block to move through thread fit, the clamping block can lock and fix the flattening plate, the flattening plate is driven to move through the moving frame, soil can be flattened, and a hay roll can be laid conveniently.

The utility model relates to the technical field of water resource utilization, provides an efficient rainwater collection and storage integrated device for desertification control, and aims to solve the technical problems that traditional rainwater storage equipment is high in transportation and installation cost and difficult to adapt to terrain expansion. The device is composed of a plurality of linearly arranged storage tanks and matched collectors, storage cavities are formed in the storage tanks, connecting outer pipes and connecting holes are arranged on the two sides of each storage tank respectively, and connecting inner pipes are fixedly arranged in the storage tanks and communicated with the connecting outer pipes; the bottom of the collector is communicated with the storage tank through a connecting pipe. The multiple storage tanks are inserted into the connecting holes of the adjacent storage tanks through the connecting outer pipes and connected with the connecting inner pipes in a sleeved mode to achieve communication, and rainwater sequentially flows through the storage cavities and is stored in the tail end tank body. The top splicing face of the storage tank is provided with a combined threaded half groove which is locked and connected through a threaded cover, and a tail end tank body connecting hole is provided with a tail end threaded cover for sealing. Flexible expansion and rapid disassembly and assembly of the storage units are achieved through the modular connection structure, and the applicability of equipment is effectively improved.

The invention discloses a rose willow planting device for wind and sand control of a photovoltaic base, and belongs to the technical field of wind and sand control equipment.The rose willow planting device comprises a dragging trailer, a tray, an air cylinder and a connecting plate, an annular limiting plate is arranged on the connecting plate, a working box is arranged on the annular limiting plate, a nursery stock fixing device is arranged on the working box, and a root sandy soil compacting device is arranged on the nursery stock fixing device; the root sandy soil compacting device is provided with a one-way limiting structure, and the one-way limiting structure is provided with a nursery stock combined bottom support. The invention provides a rose willow planting device for wind and sand control of a photovoltaic base in order to overcome the defects that in the current desert control process, due to the fact that sand land is loose and the center of gravity of rose willow seedlings is high, the rose willow seedlings are prone to toppling over after planting, fixing is not firm, and the survival rate is low. The problems that existing planting equipment in the current market cannot synchronously finish accurate seedling righting, effective root soil compaction and reliable planting bottom support recovery in the soft sand, and consequently the planting efficiency and the survival rate of the rose willow are low are effectively solved.

The utility model discloses sand barrier inserting equipment, and belongs to the technical field of desertification prevention and control engineering. The sand barrier insertion equipment comprises a fixed frame and a movable frame, a moving mechanism; a material roll supporting assembly; the lifting assembly comprises a lifting driving device longitudinally arranged between the fixed frame and the movable frame, a fixed part of the lifting driving device is fixedly connected with the fixed frame, and an output end of the lifting driving device is movably connected with the movable frame; the three sand inserting assemblies are arranged in the circumferential direction of the bottom end of the movable frame and connected end to end to form a U-shaped structure; a conveying assembly; and a cutting assembly. According to the sand barrier inserting equipment, a dynamic clamping-forming-inserting planting continuous operation system is formed, mechanical operation of the whole process from material conveying, forming machining to precise inserting planting is achieved, the production efficiency is improved, and labor force is saved.

The application belongs to the technical field of desertification prevention, and particularly relates to a compound grass-sand barrier construction method and system based on a 'grape' shape, which comprises the following steps: S1: using GPS, a drone and other tools to survey and map the topography of the sand land to be treated, combining historical meteorological data to determine the main wind direction, and planning the sand barrier laying area and 'grape' unit layout; S2: preparing sand barrier construction materials, the materials comprising one or more of straw, corn stalks, reeds and sand willow branches, and screening and processing are performed to ensure the material quality; the 'grape' type cluster net structure design achieves the effect of efficiently interfering with and shunting near-surface wind-sand flow; the 'grape' type sand barrier unit is distributed in a cluster shape by a plurality of small grass bundles, and is connected into a net structure by short grass belts, and this design more effectively interferes with, shunts and guides the wind-sand flow than the uniform grid-shaped grass checkerboard, thereby improving the comprehensive performance of wind erosion prevention and sand burial prevention.

The invention belongs to the technical field of biological bacterial fertilizers, and particularly relates to a high-salt-tolerance microbial liquid complex microbial inoculant suitable for saline-alkali desertification land and a biological bacterial fertilizer thereof. The microbial liquid complex microbial inoculant is prepared from the following functional strains by using electrochemical low-Hertz water through sequential inoculation and fermentation of three stages: salt-tolerant repair bacteria Nocardia halophila, salt-tolerant functional bacteria Bacillus subtilis and Azospirillum brasilense, nitrogen-fixing functional bacteria Azotobacter chroococcum, phosphorus-solubilizing functional bacteria Pseudomonas fluorescens, and nitrogen-solubilizing functional bacteria Pseudomonas fluorescens. The bacillus mucilaginosus is used as a potassium-dissolving functional bacterium, the trichoderma asperellum is used as a biocontrol growth-promoting bacterium, and the trichoderma harzianum is used as a rhizosphere optimizing bacterium. The biological bacterial fertilizer is prepared from the liquid complex microbial inoculant. Through scientific compatibility of different strains provided by the invention, efficient improvement and crop yield increase of the saline-alkali desertification land are realized, and the strain has important economic and social values.

The present application relates to the technical field of seedling transplanting equipment, and discloses a seedling transplanting ditching device used in forestry engineering, which comprises a connecting machine box, a traction connecting seat and a universal coupling for being connected with a traction device are respectively arranged on one end of the connecting machine box, a driving machine box is arranged on the side of the connecting machine box away from the traction connecting seat, and a surface layer ditching mechanism is arranged on the front side of the driving machine box and used for removing the plant root system of the surface layer of the desertification soil to be ditched and processing the shallow ditch. By increasing and arranging the surface layer ditching mechanism, before the seedling transplanting ditching treatment is performed on the forestry improvement area, the mechanism can directly shovel off the weeds on the surface layer of the desertification soil through the front shovel plate, and the triangular soil cutting seat is used to cut off the residual plant root system of the bottom layer of the soil, so that the weeds are prevented from winding the equipment components in the subsequent ditching process or competing with the seedlings for water and nutrients after the seedlings are planted.

The invention discloses a desertification restoration vegetation configuration optimization method and system based on microtopography regulation and control. The method comprises the following steps: dividing a research area into typical microtopography units according to surface morphological characteristics; measuring environmental factors in each microtopography; collecting functional character indexes and abundance of different microtopography unit species, calculating a community weighted mean value and a functional diversity index in combination with an environmental factor, calculating an ecological niche width and an optimal environmental parameter, and storing the ecological niche width and the optimal environmental parameter as a species ecological niche parameter table; constructing a three-dimensional adaptability matrix, calculating a comprehensive adaptability index of each species in each microtopographic unit through a adaptability deviation function, constructing a multi-objective optimization model by using the comprehensive adaptability index, a community weighted mean value and a functional diversity index, and setting space and ecological constraints; the model is solved to output the optimal plant combination and proportional relation under different micro-terrain units, and a spatialized vegetation configuration scheme is generated; according to the method, the problem that traditional ecological restoration is lack of a micro-topography zoning and quantitative configuration basis is solved.

The invention discloses a dew collecting device and a dew treating system, and belongs to the technical field of ecological management. The dew collecting device comprises a photovoltaic panel, a water collecting tank and a swinging part, the water collecting tank is arranged on the photovoltaic panel; the swinging part is arranged on the photovoltaic panel; the swinging end of the swinging part and the photovoltaic panel are arranged in a swinging mode, and one side of the swinging end of the swinging part is attached to the surface of the photovoltaic panel; the swing end of the swing part can swing in a reciprocating mode in the direction close to the water collecting tank. The swing end of the swing part can be attached to the surface of the photovoltaic panel and swing in a reciprocating mode in the direction close to the water collection tank, so that dew condensed on the surface of the photovoltaic panel is brushed into the water collection tank, the condensed dew is stably collected and recycled, the recycling efficiency of the dew is improved, and the energy consumption is reduced. Vegetation withering caused by long-time separation of dew from vegetation is avoided, the desertification process of the desert area is inhibited, and the ecological management effect is guaranteed.

The invention belongs to the technical field of desertification ecological restoration equipment, particularly relates to a sandstorm-proof soil crust spray-seeding device, and provides the following scheme aiming at the problems that functional modules of an existing device are isolated and lack of cooperation, and materials are easily interfered and are insufficient in pretreatment in a sandstorm environment: the sandstorm-proof soil crust spray-seeding device comprises a spray-seeding bottom plate and a spray-seeding mechanism integrated on the spray-seeding bottom plate, the spray-seeding mechanism comprises a fungicide spraying assembly, a water-retaining agent spraying assembly and a seeding assembly which are sequentially arranged in the advancing direction, a square windproof cover is arranged on the outer side of a spray-seeding part of the device, a microenvironment air curtain assembly is arranged, air is sucked in through air inlet micropores in the windproof cover, and then a downward adjustable isolation air curtain is formed from bottom air outlet holes; materials are prevented from drifting away. Through deep integration of time sequence spray-seeding, targeted stirring, environment control and intelligent linkage, the problems that in the prior art, the function is single, materials are prone to losing efficacy, and environment interference is large are solved, and the purpose of efficient artificial biological soil crust construction in the complex sand environment is achieved.

The utility model relates to the technical field of plant planting, in particular to a plant water retention device for sand prevention and control, which is characterized in that a cultivation pot is sleeved in a pot sleeve, a jacking seat is slidably connected in the pot sleeve, the jacking seat and the cultivation pot are positioned on the same vertical line, a first reset spring is sleeved on the outer surface of the jacking seat, and the first reset spring is sleeved on the inner surface of the pot sleeve; when a plant needs to be transplanted and taken out, the push rod is pressed into the pot sleeve, the push rod slides to drive the slope jacking block to move, the slope jacking block upwards pushes the jacking base to slide, the slope jacking block is fixedly connected to the outer surface of the push rod, the slope jacking block is fixedly connected to the outer surface of the push rod, and the second reset spring is connected to the outer surface of the push rod in a sleeving mode. At the moment, the jacking seat jacks the cultivation pot to extend out, so that the plant can be quickly and conveniently jacked and taken out, and the operation mode of directly jacking and taking out the cultivation pot is beneficial to keeping the integrity of the plant and improving the survival rate after transplantation.

The invention provides a sand barrier sand control system based on fly ash base planting-irrigation integration, and belongs to the technical field of ecological environment treatment. The coal ash-based prefabricated sand-protecting barrier comprises a coal ash-based prefabricated sand-protecting barrier which is prepared from coal ash and a chemical degradable adhesive; the coal ash-based improved soil is filled in the coal ash-based prefabricated sand barrier, is used for planting drought-enduring plants, and is formed by mixing sandy soil and coal ash; the irrigation system is used for supplying water to the drought-enduring plants. The planting-irrigation integrated sand barrier desertification control system is constructed through collaborative design of the coal ash-based prefabricated sand barrier, soil improvement in the sand barrier and a drip irrigation system, and organic combination of desertification control and waste resource utilization is achieved. The system has the advantages of being low in material cost, easy and convenient to install and maintain, water-saving, efficient in irrigation, lasting in soil improvement effect and the like, rapid greening of desertification control plants and ecological environment improvement can be synchronously achieved, and the concepts of low carbon, environmental protection and sustainable development are met.

The application discloses a kind of biological plastic bag inside directional water and fertilizer conservation drought sandy land seedling transplanting and keeping alive method, by preparing thermoplastic biological material and processing formation biological plastic bag, using microorganism, bacteria has sensitivity to biological plastic bag and the characteristics of bag body and insoluble in water, it is placed in tree planting pit, mixed organic matter fertilizer, water retaining agent etc. to plant growth promoting substance, realize directional water and fertilizer conservation, guarantee seedling growth initial period required water and nutrient, after seedling root system can penetrate biological plastic bag and go down to the water layer in pit, biological plastic bag will also degrade naturally, at this time, no need artificial intervention.The application is suitable for haloxylon ammodendron, red willow, date palm tree and other various plants suitable for drought sandy land growth, can effectively solve the technical problems of low survival rate of drought sandy land seedling transplanting, water and nutrient loss fast, realize wind prevention and sand fixation, beautify environment, promote economic growth and the comprehensive benefits of grower income increase.

The present invention belongs to the field of agricultural machinery, and specifically relates to an integrated packaging production line for planting blocks for desertification prevention and control, comprising a first conveying line, a shaping mold, a bearing platform, a third conveying line, a soil-covering device, a seed-dispensing device, a pressing device, a second conveying line, a mechanical gripping arm, a fourth conveying line, a cup-dropping machine, a box-sealing device and a palletizing robotic arm. The soil-covering device comprises a support platform and a discharge frame. A seventh limiting guide slot is provided on the side of the support platform away from the discharge frame, and a reverse sweeping structure is arranged on the side of the discharge frame close to the seventh limiting guide slot. When the discharge frame moves in the direction away from the shaping mold, bristles are used to sweep soil scattered on a limiting platform and an upper mounting plate, and the swept soil is discharged into a soil collection bag through a soil-returning slot for collection, thereby preventing soil from scattering onto the first conveying line during operation, and reducing contamination to the first conveying line and the working environment; in addition, the soil collection bag also facilitates soil recycling.

This invention belongs to the field of afforestation technology, specifically relating to a three-stage afforestation method for desertified areas. It includes: First stage, sand-stabilizing barrier construction: erecting a barrier wall facing the wind according to the wind direction; the barrier wall is constructed by planting Artemisia arenaria at a spacing of 50cm-70cm, tearing the Artemisia arenaria in half lengthwise, connecting the two halves sequentially; Second stage, in the autumn of the year or the following year after the barrier wall is erected, planting leguminous shrubs on the leeward side of the barrier wall; Third stage, in the second or third year after the barrier wall is erected, planting trees or shrubs at the barrier wall location. In this method, the barrier wall in the first stage is used to stabilize sand and retain water, preventing wind erosion; the leguminous shrubs in the second stage are used to enhance the stability of the sandy soil and retain moisture; the trees or shrubs in the third stage are used to plant the main tree species to form a forest; the three stages are used in combination to improve the survival rate of afforestation.